Panasonic KX-T4300BA - Manual (Page 29)

FLASH button
(To use the hookswitch feature)
The FLASH button functions as the hookswitch on a regular phone. If
you misdial or dial another phone number, press the FLASH button
firmly. The cal! is terminated and the dial tone is heard, then you can
dial the next phone number.
If your unit is connected to a PBX, pressing the FLASH button lightly
allows you to use special features of the PBX such as transferring an
extension call.
Advanced operation
Using call waiting feature
To use this feature, you are required to subscribe to the call waiting
service offered by your local telephone company.
1. While having a conversation, another party calls and you hear a
tone.
2. Press the FLASH button lightly.
The first cal! is put on hold and you can answer the second call. To
return to the first caller, press the FLASH button again. The second call
is put on hold.
PAUSE
bllttOIl (For users behind a PBX)
If your unit is connected to a PBX, you need to dial an access number
(usually 9) to get an outside line. In this case, inserting a pause
between the access number and the phone number is necessary
especially when redialing or storing the number into memory. Pressing
the PAUSE button once makes 3.5-second pause.
Temporary tone dialing
If your line has rotary service, pressing the TONE (-)f) button allows you
to change the dialing mode temporarily into tone. Then you can dial the
numbers or codes needed to operate the answering system or to use
electronic banking services and other special services.
When you hang up, the dialing mode returns to pulse automatically.